Investigation Report
Chemical Exposure During Well Treatment Flowback
10-09-2011 11:00 G02391 HI A 571 Required Evacuation (6) / Workover Operations
- BSEE
- Investigation Report
- Unknown
- Hazardous substancesRespiratory hazards
- Well intervention
- RespiratorStorage tanks
- Job safety analysisOperating and work proceduresStop-work authority
- Upstream oil and gas
- Offshore installation
Summary
An investigation of chemical exposure during Well A1 treatment flowback records illness among Halliburton personnel. Returns entered an open containment system and were subsequently routed to platform drainage. The report identifies failure to use closed containment and follow chemical guidance, job safety analyses and procedures, including respiratory protection and stop-work requirements.
Classifications: Hazardous substances; hazardous chemicals; chemical exposure.
Classifications: Respiratory hazards; respirable dust; inhalation hazards.
Classifications: Well intervention; workover; well servicing.
Classifications: Respirator; respiratory protective equipment; RPE.
Classifications: Storage tanks; atmospheric tanks.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Operating and work procedures.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.